diff --git a/demos/gtk-demo/font_features.c b/demos/gtk-demo/font_features.c index ab0ad76374..6b6ab79a33 100644 --- a/demos/gtk-demo/font_features.c +++ b/demos/gtk-demo/font_features.c @@ -60,13 +60,15 @@ typedef struct { GtkWidget *variations_grid; GtkWidget *instance_combo; GtkWidget *stack; - GtkWidget *the_entry; + GtkWidget *entry; GtkWidget *plain_toggle; GtkWidget *waterfall_toggle; GtkWidget *edit_toggle; GtkAdjustment *size_adjustment; GtkAdjustment *letterspacing_adjustment; GtkAdjustment *line_height_adjustment; + GtkWidget *foreground; + GtkWidget *background; GtkWidget *size_scale; GtkWidget *size_entry; GtkWidget *letterspacing_entry; @@ -77,6 +79,7 @@ typedef struct { GHashTable *axes; char *text; GtkWidget *swin; + GtkCssProvider *provider; } FontFeaturesDemo; static void @@ -167,12 +170,32 @@ basic_entry_activated (GtkEntry *entry, gtk_adjustment_set_value (adjustment, value); } +static void +color_set_cb (void) +{ + update_display (); +} + +static void +swap_colors (void) +{ + GdkRGBA fg; + GdkRGBA bg; + + gtk_color_chooser_get_rgba (GTK_COLOR_CHOOSER (demo->foreground), &fg); + gtk_color_chooser_get_rgba (GTK_COLOR_CHOOSER (demo->background), &bg); + gtk_color_chooser_set_rgba (GTK_COLOR_CHOOSER (demo->foreground), &bg); + gtk_color_chooser_set_rgba (GTK_COLOR_CHOOSER (demo->background), &fg); +} + static void font_features_reset_basic (void) { gtk_adjustment_set_value (demo->size_adjustment, 20); gtk_adjustment_set_value (demo->letterspacing_adjustment, 0); gtk_adjustment_set_value (demo->line_height_adjustment, 1); + gtk_color_chooser_set_rgba (GTK_COLOR_CHOOSER (demo->foreground), &(GdkRGBA){0.,0.,0.,1.}); + gtk_color_chooser_set_rgba (GTK_COLOR_CHOOSER (demo->background), &(GdkRGBA){1.,1.,1.,1.}); } static void @@ -431,7 +454,7 @@ static void update_display (void) { GString *s; - const char *text; + char *text; gboolean has_feature; GtkTreeIter iter; GtkTreeModel *model; @@ -449,8 +472,15 @@ update_display (void) gboolean do_waterfall; GString *waterfall; - text = gtk_editable_get_text (GTK_EDITABLE (demo->the_entry)); - text_len = strlen (text); + { + GtkTextBuffer *buffer; + GtkTextIter start_iter, end_iter; + + buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (demo->entry)); + gtk_text_buffer_get_bounds (buffer, &start_iter, &end_iter); + text = gtk_text_buffer_get_text (buffer, &start_iter, &end_iter, FALSE); + text_len = strlen (text); + } do_waterfall = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (demo->waterfall_toggle)); @@ -560,6 +590,32 @@ update_display (void) pango_attr_list_insert (attrs, attr); } + { + GdkRGBA rgba; + char *fg, *bg, *css; + + gtk_color_chooser_get_rgba (GTK_COLOR_CHOOSER (demo->foreground), &rgba); + attr = pango_attr_foreground_new (65535 * rgba.red, + 65535 * rgba.green, + 65535 * rgba.blue); + attr->start_index = start; + attr->end_index = end; + pango_attr_list_insert (attrs, attr); + attr = pango_attr_foreground_alpha_new (65535 * rgba.alpha); + attr->start_index = start; + attr->end_index = end; + pango_attr_list_insert (attrs, attr); + + fg = gdk_rgba_to_string (&rgba); + gtk_color_chooser_get_rgba (GTK_COLOR_CHOOSER (demo->background), &rgba); + bg = gdk_rgba_to_string (&rgba); + css = g_strdup_printf (".font_features_background { caret-color: %s; background-color: %s; }", fg, bg); + gtk_css_provider_load_from_data (demo->provider, css, strlen (css)); + g_free (css); + g_free (fg); + g_free (bg); + } + if (do_waterfall) { attr = pango_attr_font_desc_new (desc); @@ -629,6 +685,7 @@ update_display (void) pango_font_description_free (desc); g_free (features); pango_attr_list_unref (attrs); + g_free (text); } static PangoFont * @@ -1477,9 +1534,9 @@ font_features_toggle_edit (void) if (strcmp (gtk_stack_get_visible_child_name (GTK_STACK (demo->stack)), "entry") != 0) { g_free (demo->text); - demo->text = g_strdup (gtk_editable_get_text (GTK_EDITABLE (demo->the_entry))); + demo->text = g_strdup (gtk_editable_get_text (GTK_EDITABLE (demo->entry))); gtk_stack_set_visible_child_name (GTK_STACK (demo->stack), "entry"); - gtk_widget_grab_focus (demo->the_entry); + gtk_widget_grab_focus (demo->entry); gtk_adjustment_set_value (gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (demo->swin)), 0); } else @@ -1501,11 +1558,11 @@ entry_key_press (GtkEventController *controller, guint keyval, guint keycode, GdkModifierType modifiers, - GtkEntry *entry) + GtkTextView *entry) { if (keyval == GDK_KEY_Escape) { - gtk_editable_set_text (GTK_EDITABLE (entry), demo->text); + gtk_text_buffer_set_text (gtk_text_view_get_buffer (entry), demo->text, -1); return GDK_EVENT_STOP; } @@ -1528,6 +1585,8 @@ do_font_features (GtkWidget *do_widget) scope = gtk_builder_cscope_new (); gtk_builder_cscope_add_callback (scope, basic_value_changed); gtk_builder_cscope_add_callback (scope, basic_entry_activated); + gtk_builder_cscope_add_callback (scope, color_set_cb); + gtk_builder_cscope_add_callback (scope, swap_colors); gtk_builder_cscope_add_callback (scope, font_features_reset_basic); gtk_builder_cscope_add_callback (scope, font_features_reset_features); gtk_builder_cscope_add_callback (scope, font_features_reset_variations); @@ -1553,7 +1612,7 @@ do_font_features (GtkWidget *do_widget) demo->script_lang = GTK_WIDGET (gtk_builder_get_object (builder, "script_lang")); demo->feature_list = GTK_WIDGET (gtk_builder_get_object (builder, "feature_list")); demo->stack = GTK_WIDGET (gtk_builder_get_object (builder, "stack")); - demo->the_entry = GTK_WIDGET (gtk_builder_get_object (builder, "entry")); + demo->entry = GTK_WIDGET (gtk_builder_get_object (builder, "entry")); demo->plain_toggle = GTK_WIDGET (gtk_builder_get_object (builder, "plain_toggle")); demo->waterfall_toggle = GTK_WIDGET (gtk_builder_get_object (builder, "waterfall_toggle")); demo->edit_toggle = GTK_WIDGET (gtk_builder_get_object (builder, "edit_toggle")); @@ -1564,16 +1623,21 @@ do_font_features (GtkWidget *do_widget) demo->letterspacing_adjustment = GTK_ADJUSTMENT (gtk_builder_get_object (builder, "letterspacing_adjustment")); demo->line_height_entry = GTK_WIDGET (gtk_builder_get_object (builder, "line_height_entry")); demo->line_height_adjustment = GTK_ADJUSTMENT (gtk_builder_get_object (builder, "line_height_adjustment")); + demo->foreground = GTK_WIDGET (gtk_builder_get_object (builder, "foreground")); + demo->background = GTK_WIDGET (gtk_builder_get_object (builder, "background")); demo->swin = GTK_WIDGET (gtk_builder_get_object (builder, "swin")); + demo->provider = gtk_css_provider_new (); + gtk_style_context_add_provider (gtk_widget_get_style_context (demo->swin), + GTK_STYLE_PROVIDER (demo->provider), 800); + basic_value_changed (demo->size_adjustment, demo->size_entry); basic_value_changed (demo->letterspacing_adjustment, demo->letterspacing_entry); basic_value_changed (demo->line_height_adjustment, demo->line_height_entry); controller = gtk_event_controller_key_new (); - g_object_set_data_full (G_OBJECT (demo->the_entry), "controller", g_object_ref (controller), g_object_unref); - g_signal_connect (controller, "key-pressed", G_CALLBACK (entry_key_press), demo->the_entry); - gtk_widget_add_controller (demo->the_entry, controller); + g_signal_connect (controller, "key-pressed", G_CALLBACK (entry_key_press), demo->entry); + gtk_widget_add_controller (demo->entry, controller); add_check_group (demo->feature_list, _("Kerning"), (const char *[]){ "kern", NULL }); diff --git a/demos/gtk-demo/font_features.ui b/demos/gtk-demo/font_features.ui index dc8888dfc1..b3308f14c0 100644 --- a/demos/gtk-demo/font_features.ui +++ b/demos/gtk-demo/font_features.ui @@ -180,6 +180,66 @@ + + + Foreground + 0 + baseline + + 0 + 3 + + + + + + baseline + black + + + 1 + 3 + + + + + + Background + 0 + baseline + + 0 + 4 + + + + + + baseline + white + + + 1 + 4 + + + + + + object-flip-vertical-symbolic + start + center + + + + 2 + 3 + 2 + + + @@ -261,6 +321,9 @@ automatic 1 1 + @@ -281,15 +344,20 @@ entry - - Grumpy wizards make toxic brew for the evil Queen and Jack. A quick movement of the enemy will jeopardize six gunboats. The job of waxing linoleum frequently peeves chintzy kids. My girl wove six dozen plaid jackets before she quit. Twelve ziggurats quickly jumped a finch box. + + + + Grumpy wizards make toxic brew for the evil Queen and Jack. A quick movement of the enemy will jeopardize six gunboats. The job of waxing linoleum frequently peeves chintzy kids. My girl wove six dozen plaid jackets before she quit. Twelve ziggurats quickly jumped a finch box. Разъяренный чтец эгоистично бьёт пятью жердями шустрого фехтовальщика. Наш банк вчера же выплатил Ф.Я. Эйхгольду комиссию за ценные вещи. Эх, чужак, общий съём цен шляп (юфть) – вдрызг! В чащах юга жил бы цитрус? Да, но фальшивый экземпляр! Τάχιστη αλώπηξ βαφής ψημένη γη, δρασκελίζει υπέρ νωθρού κυνός + + + + fill @@ -306,7 +374,6 @@ 50 50 1 - 1